Combination excavator and pile driver



J. PERNA.

COMBINATION EXCAVATOB AND FILE DRIVER.

PPLICAT O ILED DEC. 6. 1921- 3SHEET3-SHEU h 1 37,5415, Patented Dec. 5,1922.

COMEINATION EXCAVATOR AND PILE DRIVER. APPLICATION FILED DEC-,6 1921.

J. PERNA.

Patented Dec. 5, 1922,

3 SHEETS-SHEET Z.

L 1L I 23 J. PERNA. COMBINATION EXCAVATUR AND PILE DRIVER- APPLICATIONFILED DEC. 6. I92l.

L g55 Patentmi Dec. 53,1922

,F/ /2 l 44/ i JOSEPH PERNA, OF IPHILADELPHIA, IPENNSYLVANIA.

COMBINATION EXCAVATOR AND PILE DRIVER.

original application filed 1111 13, 1919, Serial No. 311,782. Dividedandthis application filed December 6, 1921. Serial no. 520,270.

To all whom; may concern: Be it known that I, Josnrri PnnNA, a citizenof the United States, residing at Philadelphia, in the county ofPhiladelphia and State of Pennsylvania, have invented new and usefulImprovements in Combination Excavators and'Pile Drivers, which is adivision from my application bearing Serial Number'8llfi82, dated July18th, 1919, of which the following is a specification.

invention relates to new and useful improvements in combinationexcavators and pile drivers, and has for its object to provide incombination with an excavator frame of peculiar and unique construction,a pile driver which may be moved from one point to another along theexcavator frame to place it in the proper position for driving pilesordinarily termed shoring boards.

A further object of the invention is to provide an excavator frameprovided with certain tracks on which run suitable trucks carrying aguide for a pneumatic hammer or driver which is adapted to follow theshoring as the same is to be driven into place, the raising and loweringof the hammer and the movements of the trucks being controlled.

by a suitable source of power such as an engine. I I A. further objectof the invention is to provide an adjustable frame which may be adjustedbefore being set up to accommodate the width of the trench and theheight of which may be regulated according to the height of over headstructures in the locality where thework is being done.

With these ends in view, this invention consistsin the details ofconstruction and.

comb-in ati n of elements hereinafter set forth and then specificallydesignated by the claims. L

In order that those skilled in the art to which this inventionappertainsl may understand. how to maize and use the same. I willdescribe its construction in detail referring b numerals to theaccompanying drawings forming a which Fig. 1, is a fragmentary sideelevation of an excavator frame showing my improved pile driver combinedtherewith.

Fig. 2, is a vertical sectional view thereof.

Fig. 3, is a plan view of a portion of the excavator frame showing themanner in which it may be constructed to permitv the part of thisapplication in passage of the pile driver from one side to another. I

In carrying out my invention as here embodied, 2 represents a trenchwhich is being excavated for the laying of a sewer, p'pes or otherunderground objects, the side walls of the trench being held in positionby suit-' able shoring boards 3.

Along the" course of the trench to be excavated are placed a number ofties or,

8: and 9 secured thereto, the former beingnear the lower ends and thelatter near the upper ends ofthe uprights. bars have a number of holes10 whereby the cross bars of one upright may be fastened to the crossbars of the coacting upright by means of bolts or their equivalent 11.

The lower ends of each of the coacting pairs of uprights are suitablymounted on axles 12, on the outer ends of which are journalled flangewheels 13 for running upon the rails: 6. i

The upper ends of the supports 7 are provided with projections 14 abovethe upper cross bars 9 andto these projections are adjust-ably securedthe extension members 15 held in their desired adjustments by bolts 16or their equivalent passing through the projections of the uprights andthrough holes 1.7 in the extension members. These extension memberscarry reach members 18. The inner'ends of coacting pairs of roachmembers overlap and are held in position or their desired adjustmentbylvolts 19 or their equivalent passing through holes 20 in theoverlapping ends.

To the reach members 18 is secured the pile driver supporting track 21which track, if found desirable is bent to form a curve 22 at one end ofthe excavator frame so that where a single pile driver is used the samemay be moved about to either side. The *track 21 is preferably formedfrom I-beams and has mounted thereon a truck 23 which These crossconsists of a suitable frame 24k and wheels 25 for running on the lowerflanges of the track 21.

On the supports or uprights '7 adjacent their lower ends are mountedguide tracks 26 in which runs a wheel 27 carried by the lower end of theguide 28. On this guide is slidably mounted a pneumatic hammer or piledriver 29, the same being raised and lowered by means of a cable 30wound. about the drum 31 and running over a sheave 32 located in somesuitable position on the excavator frame then over a sheave 33 carriedby the truck, then about the sheave 34 of the hanger 35 and then overthe other sheave 36 carried by the truck, the opposite end beingpermenently fastened at some suitable point as to the excavator frame.

The truck 33 is moved along its track in any desirable or well knownmanner, one way of so moving the truck is here shown which consists ofattaching a cable 37 thereto and winding said cable upon a drum 38. Thedifferent drums for actuating the different parts of the mechanism'arerevolved in any well known manner and by any suitable power as by steam,electricity or by compressed air.

The pile driver or pneumatic hammer 29 consists of a casing 39 providedwith guide lugs 40 for engagement with the guide 28 and the hammer 41which is actuated by compressed air, steam or other suitable operatingfluid conveying to the casing through a suitable pipe or hose 42 from asuitable source. The pneumatic hammer or pile driver may be constructedin any of the well known forms, wherein a suitable element will producea sufiicient blow to be transmitted through the hammer to the shoringboard or pile for driving the same into the ground,

To the cross bars 9 is secured a trolley supporting track 43 preferablyin the form of an I-beam on which runs a suitable trolley for carryingan excavator.

During the excavation of the trench alon one portionof the operation,shoring boards or piles may be driven by mechanical means supported bythe same framework which carries the bucket trolley. To do this work theshoring boards are set in position as shown in Fig. l and the piledriver 29 then moved to the proper position by run ning the supportingtruck 23 along the track 21 and then releasing its hoisting rope orcable 30 so that the hammer rests upon the end of the'shoring board tobe driven into the ground, after which the operating fluid.

is turned on andthe pile" driver permitted to follow up the shoringboard as it gradually enters the ground. After the shoring board hasbeen driven home the pile driver is raised and moved to the position ofthe next shoring board to be placed in position.

Where it is necessary to do the work very quickly and where the diggingof the trench can be expedited to keep up with the work of placing theshoring boards, two pile drivers may be utilized, one on each side ofthe excavator frame, but where the trench digging is relatively slow andone pile driver can drive the trench work, a single pile driver may beutilized on both sides of the excavator frame by moving it around thecurve 22 at one end of the excavatorframe.

Of course I do not wish to be limited to the exact details ofconstruction as herein shown as these may be varied within the limits ofthe appended claims without departin from the spirit of my invention.

Having thus fully described my invention, what I claim as new and usefulis 1. The combination with an adjustable frame, of a track carried bythe frame and located on the outside thereof, a truck ar ranged to runon said track, a guide attached to said truck and depending therefrom, awheel carried by the lower end of said guide, a guide track secured tosaid frame in which said wheel is adapted to run and a pile driver slidably mounted upon the guide and connected with the truck so that saidpile driver may be raised and lowered and trans ported from one point toanother.

2. In combination, an excavator frame, parallel tracks on the outside ofsaid frame, one above the other, a truck adapted to run on the uppertrack, a guide carried thereby, a wheel on said guide adapted to run onthe lower track and a pile driver slidably mounted on said guide.

3. The combination with an adjustable frame, of a track carried by theframe and located on the outside thereof, a truck arranged to run onsaid track, a guide attached to said truck and depending therefrom, awheel carried by the lower end of said guide, a guide track secured tosaid frame in which said wheel is adapted to run, a pile driver slidablymounted upon the guide, sheaves on the truck, a cable con nected withthe pile driver and running afiixe'd my signature.

- JOSEPH PERNA.

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